X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/78a94ff9022f84d186d01e1baa0eafdf78a7652d..a2bb2735d5095aabeba4a891fe4ba867a9afc2b3:/client/emv/tlv.h diff --git a/client/emv/tlv.h b/client/emv/tlv.h new file mode 100644 index 00000000..3fd3f347 --- /dev/null +++ b/client/emv/tlv.h @@ -0,0 +1,52 @@ +/* + * libopenemv - a library to work with EMV family of smart cards + * Copyright (C) 2012, 2015 Dmitry Eremin-Solenikov + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * https://github.com/lumag/emv-tools/blob/master/lib/include/openemv/tlv.h + */ + +#ifndef TLV_H +#define TLV_H + +#include +#include +#include + +typedef uint16_t tlv_tag_t; + +struct tlv { + tlv_tag_t tag; + size_t len; + const unsigned char *value; +}; + +struct tlvdb; +typedef bool (*tlv_cb)(void *data, const struct tlv *tlv); + +struct tlvdb *tlvdb_fixed(tlv_tag_t tag, size_t len, const unsigned char *value); +struct tlvdb *tlvdb_external(tlv_tag_t tag, size_t len, const unsigned char *value); +struct tlvdb *tlvdb_parse(const unsigned char *buf, size_t len); +struct tlvdb *tlvdb_parse_multi(const unsigned char *buf, size_t len); +void tlvdb_free(struct tlvdb *tlvdb); + +void tlvdb_add(struct tlvdb *tlvdb, struct tlvdb *other); + +void tlvdb_visit(const struct tlvdb *tlvdb, tlv_cb cb, void *data); +const struct tlv *tlvdb_get(const struct tlvdb *tlvdb, tlv_tag_t tag, const struct tlv *prev); + +bool tlv_parse_tl(const unsigned char **buf, size_t *len, struct tlv *tlv); +unsigned char *tlv_encode(const struct tlv *tlv, size_t *len); +bool tlv_is_constructed(const struct tlv *tlv); +bool tlv_equal(const struct tlv *a, const struct tlv *b); + +#endif